redhead aythya americana is a medium-sized diving duck.

aithuia america americana animal aristotle authors avian aythya background beak beautiful bird black brown canada close closeup derived diving duck fauna feather greek head hesychius horizontal lake landscape male mediumsized mentioned name natural nature one ornithology outdoor outside photography pond portrait red redhead reflection scientific seabird side swimming unidentified view watching water waterbird waterfowl wetland white wild wildfowl wildlife